The pH of 0.1M NaCl is 7.14. After 1 drop of 0.1M HCl the pH change...

The pH of 0.1M NaCl is 7.14. After 1 drop of 0.1M HCl the pH change to 3.59. And after another 1 drop of 0.1M HCl the pH become 3.13.
Why does pH change significantly 7.14 to 3.59? And also why the pH doesn't change very much after another 1 drop of 0.1M HCl (3.59 to 3.13)?

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queen_honey_blossom answered 4 months ago

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